/*!
 * Copyright 2010 - 2018 Hitachi Vantara.  All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
package org.pentaho.platform.servicecoordination.impl;

import java.util.ArrayList;
import java.util.List;
import java.util.WeakHashMap;

import org.pentaho.platform.servicecoordination.api.IServiceBarrier;
import org.pentaho.platform.servicecoordination.api.IServiceBarrierManager;

/**
 * Created by nbaker on 2/20/15.
 */
public class ServiceBarrierManager implements IServiceBarrierManager {
  WeakHashMap<String, IServiceBarrier> barriers = new WeakHashMap<String, IServiceBarrier>();

  @Override
  public IServiceBarrier getServiceBarrier( String serviceID ) {
    if ( barriers.containsKey( serviceID ) ) {
      return barriers.get( serviceID );
    }
    PhaserServiceBarrier phaserServiceBarrier = new PhaserServiceBarrier( serviceID );
    barriers.put( serviceID, phaserServiceBarrier );
    return phaserServiceBarrier;
  }

  @Override
  public List<IServiceBarrier> getAllServiceBarriers() {
    return new ArrayList<IServiceBarrier>( barriers.values() );
  }

}
